Indoor air quality is as important as outdoor air quality, but it is less well understood. While the effects of emissions (e.g., from building materials) and intrusion of outdoor air have been studied for decades, the role of chemistry in indoor air composition and quality is less well-studied. Photochemistry drives chemistry outdoors, but its importance indoors is poorly constrained. We have thoroughly characterized indoor photon fluxes as a function of light source and location, and have investigated the impacts of factors such as scattering and solar zenith angle on indoor photochemical rate constants. We have also investigated the effects of the use of common surface disinfectants on indoor air composition and oxidation. We show that common disinfection practices can lead to high exposure risks, sometimes for extended time periods. This work may help improve predictions of air composition and quality under the rapidly-changing conditions that are common indoors.

Clean and bright: Photons, disinfectants, and indoor air quality

Where thousands of chemistry professionals meet to share ideas and advance scientific and technical knowledge. Spring 2023 abstracts, posters, and presentations will launch at the end of March.

ACS Spring 2023

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.